Cadillac STS: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Cadillac STS’s engine has smoke coming from it, it needs to be addressed right away.  It can be caused by quite a few different problems, none of which should be ignored. The most common reasons why your STS’s engine would smoke include overheating, burning oil, or … Read more

Cadillac STS Hesitating to Start (5 Most Common Reasons)

While it may not leave you stranded, a vehicle that hesitates to start can be very concerning. There are a few reasons why your Cadillac STS may not be starting, such as a bad starter, a bad battery, bad alternator, and more.   Cadillac STS Hesitates to Start: Causes Here are some of the most … Read more

Cadillac STS:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Cadillac STS’s sway bar to the chassis.  The job of a sway bar is to eliminate body roll by helping the tires keep better contact with the road, which improves the handling characteristics of your STS.  If you have a bad sway bar link, your vehicle will … Read more

Cadillac STS Shuts Down While Driving (Common Causes)

If your Cadillac STS is shutting down while driving, it’s a real safety hazard.  Vehicles are a lot harder to control without power brakes or steering. Below is a list of the most common reasons your STS would randomly die while driving.  Before looking at anything, is the check engine light on?  If it is, … Read more

Cadillac STS:  Brake Lights Not Working Diagnosis

Brake lights are one of the most critical safety features that your Cadillac STS has.  They let other drivers know when you are slowing down, and that they need to slow down too.  If your brake lights aren’t working, you’re way more likely to get rear ended than normal.  The good news is that troubleshooting … Read more

Cadillac STS: What’s Causing That Rotten Egg Smell?

One of the most undervalued diagnostic tools is the human nose.  There’s a lot our nose can tell us about a vehicle with a few quick sniffs.  If you happen to smell a rotten egg smell coming from your Cadillac STS, it is certainly a cause for concern.  It is most commonly associated with a … Read more

Cadillac STS Dies After Starting Diagnosis

It can be very disconcerting if your Cadillac STS is starting and then dies.  It is most likely caused by some type of issue with the electrical or fuel system.  But, there can be other causes as well. Your STS’s engine needs 3 things constantly and in the proper proportion to keep running. Air Fuel … Read more

Cadillac STS: Brake Lights Stuck On → Diagnosis

It is both frustrating and unsafe to drive your Cadillac STS if the brake lights are stuck on.  The most common reason that they stay on is a brake light switch that has failed.   How Brake Lights Work Brake lights work by having an electric current sent to the brake pedal switch at all … Read more

Cadillac STS: Shaking When Accelerating → Diagnosis

One of the more common issues that can occur is a vehicle that shakes when accelerating.  If your Cadillac STS is shaking when accelerating, it’s something that should not be ignored.  While the vibration can be annoying, it is often indicative of a serious problem.   Speed Matters Vehicle speed matters when you feel a … Read more

Cadillac STS:  Lifter Ticking Diagnosis

One of the most annoying things that you can coming from under the hood of your Cadillac STS is a ticking lifter.  The ticking noise makes it sound like the engine is going to give up the ghost at any time.  There are a few things that can cause a lifter to tick, such as … Read more